XML 82 R65.htm IDEA: XBRL DOCUMENT v3.20.4
Property, Plant and Equipment (Detail Textual) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Property, Plant and Equipment [Abstract]      
Depreciation $ 83.0 $ 83.2 $ 90.1